| http://www.w3.org/ns/prov#value | - A fishing rod holder and line tension alarm comprising:a tubular housing having an open first end with a conductive rim, a second end, and a longitudinal slot near the open end; a coil spring with an outside diameter less than the inside diameter of said rim and with a length less than said housing, having a first end close to said rim and having a second end; electric alarm means including means
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